Finding the Third Proportional to 138,432.38 and 327,489.75
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Solution
The third proportional to 138,432.38 and 327,489.75 is: 774,743.17
Step by Step Solution
- Step 1: Write the proportion equation
138,432.38 : 327,489.75 = 327,489.75 : x - Step 2: Convert to fraction form
138,432.38/327,489.75 = 327,489.75/x - Step 3: Cross multiply
138,432.38x = 327,489.75 × 327,489.75 - Step 4: Simplify right side
138,432.38x = 107,249,536,355.06 - Step 5: Solve for x
x = 107,249,536,355.06/138,432.38 - Step 6: Final answer
x = 774,743.17
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These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.